Thursday, 24th May 2018
24 May 2018
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PG NEET Dermatology Mcqs 12- General Considerations

PG NEET Dermatology MCQs 12- General Considerations

1.In this condition, there is scaly dermatitis affecting parts of the skin that are supplied by an oily gland

  1. chronic dermatitis
  2. contact dermatitis
  3. eczema
  4. seborrheic dermatitis

Ans (4)

2. Parakeratosis is seen in

  1. seborrheic keratosis
  2. squamous cell carcinoma
  3. psoriasis
  4. molluscum contagiosum

Ans (3)

3. Which skin neoplasm is associated with an increase in the growth of the cells in the keratin layer of the epidermis caused by pressure or friction

  1. callus
  2. keloid
  3. keratosis
  4. leukoplakia

Ans (1)

4. The color of the skin is due to

  1. number of melanocytes
  2. size of melanocytes
  3. melanin quantity inside melanocytes
  4. none of the above

Ans (1)

5. Clotrimazole and nystatin are both

  1. topical antifungals
  2. anti itch creams
  3. topical antibiotics
  4. used to treat eczema

Ans (1)

6. Which among the following is a slow acting touch receptor

  1. Ruffini’s organ
  2. Meissner’s corpuscle
  3. langerhans cells
  4. merkel cells

Ans (4)

7. Melanocytes are present in

  1. stratum corneum
  2. stratum basale
  3. stratum spinosum
  4. stratum lucidum

Ans (2)

8. All are true regarding skin except

  1. doubling time is 8 days
  2. epidermal turnover time is 28 days
  3. thick skin is found in palm and soles
  4. melanocytes are found in stratum basale

Ans (1)

9. Lines of Blashko represents

  1. lines along lymphatics
  2. lines along blood vessels
  3. lines along nerves
  4. lines of development

Ans (4)

10. The keratin filament present in the stratum granulosum/spinosum/basale

  1. K2/11-K1/10-K5/14
  2. K5/11-K2/4-K5/14
  3. K2/11-K1/9-K5/14
  4. K1/11-K1/10-K5/14

Ans (1)

11. Carpet track sign is seen in

  1. lupus vulgaris
  2. lupus pernio
  3. discoid lupus erythematosus
  4. systemic lupus erythematosus

Ans (3)

12. Development of skin from neuroectoderm involves all except

  1. the single layer of ectoderm on the embryo surface after gastrulation
  2. lack of wnt signaling
  3. the cell expresses bone morphogenic proteins
  4. activation of Wnt signaling

Ans (2)

13. Which collagen is present in lamina densa in huge amounts

  1. collagen I
  2. collagen II
  3. collagen III
  4. collagen IV

Ans (4)

14. In which of the following conditions does parakeratosis most frequently occur

  1. actinic keratosis
  2. seborrhoeic keratosis
  3. molluscum contagiosum
  4. basal cell carcinoma

Ans (1)

15. Which layer of the skin is underdeveloped in the very low birth weight babies

  1. stratum corneum
  2. stratum lucidum
  3. stratum granulosum
  4. stratum germinativum

Ans (1)

16. The main collagen in anchoring fibrils

  1. collagen V
  2. collagen VI
  3. collagen VII
  4. collagen IV

Ans (3)

17. Sweat glands of palm can be differentiated from others by

  1. apocrine glands
  2. high chloride content
  3. secretion stimulated by emotional stimuli
  4. adrenergic mediators control the secretion

Ans (3)

18. Profilaggrin is found in

  1. stratum corneum
  2. stratum lucidum
  3. stratum granulosum
  4. stratum spinosum

Ans (4)

19. The superficial vascular plexus is present in

  1. between the papillary and reticular dermis
  2. below reticular dermis
  3. epidermis
  4. dermo-epidermal junction

Ans (1)

20. Acantholysis is seen in all except

  1. pemphigus vulgaris
  2. Darrier’s disease
  3. staphylococcal scalded skin syndrome
  4. bullous pemphigoid

Ans (4)

21. The malpighian layer of epidermis includes

  1. stratum spinosum stratum corneum
  2. stratum basale stratum spinosum
  3. stratum granulosum stratum spinosum
  4. stratum basale stratum corneum

Ans (2)

22. The main collagen in the dermis is

  1. collagen I
  2. collagen II
  3. collagen III
  4. collagen IV

Ans (1)

23. Acantholysis is due to the destruction of

  1. epidermis
  2. subepidermis
  3. basement membrane
  4. intracellular substance

Ans (4)

24. Granules of Eleidin and keratin filaments are present in

  1. stratum spinosum
  2. stratum basale
  3. stratum corneum
  4. stratum lucidum

Ans (4)

25. Lines of blashko represent

  1. lines of lymphatics
  2. lines of nerves
  3. lines of development
  4. lines of blood vessels

Ans (3)

26. True about stratum lucidum

  1. present between stratum spinosum and stratum granulosum
  2. present between stratum corneum and stratum granulosum
  3. contains hair follicles
  4. also called prickle cell layer
  5. contains degenerated cells

Ans (2,5)

27. False statement about skin is

  1. epidermal turnover time is 56 days
  2. stratum lucidum is  present in only palm and sole
  3. stratum lucidum is present between stratum spinosum and stratum basale
  4. the doubling time in psoriasis is 3-8 days

Ans (3)

28. Stem cells in the skin are present in

  1. bulge area of hair follicles
  2. basal area of interfollicular epidermis
  3. base of sebaceous gland
  4. all the above

Ans (4)

29. All are true regarding skin except

  1. skin is made of stratified squamous epithelium
  2. melanocytes and merkel cells are immigrant cells
  3. keratin cells are a hall mark of epidermal cells
  4. keratinization process causes hydration of cells
  5. spines of spinous cells are formed from house keeping organelles

Ans (5)

30. The thickest layer of the skin which is horny and without the nucleus

  1. stratum spinosum
  2. stratum basale
  3. stratum corneum
  4. stratum lucidum

Ans (3)

31. Normal turnover time fo epidermis is

  1. 2 week
  2. 4 week
  3. 6 week
  4. 8 week

Ans (2)

32. Desmosome are associated with

  1. lichen planus pemphigoid
  2. cardiac arrythimias
  3. pemphigus
  4. psoriasis
  5. lichen planus

Ans (2,3)

33. Odland bodies or lamellar bodies are present in

  1. stratum spinosum
  2. stratum basale
  3. stratum corneum
  4. stratum granulosum

Ans (4)

34. The layer of skin  with maximum desmosome interconnection is depicted by which arrow

 

  1. blue arrow
  2. green arrow
  3. red arrow
  4. black arrow

Ans (13)

35. A flat discolouration of the skin measuring up to 1 cm is called

  1. macule
  2. papule
  3. boil
  4. scale

Ans (4)

36. Melanocytes are present in

  1. stratum spinosum
  2. stratum basale
  3. stratum corneum
  4. stratum granulosum

Ans (2)

37. Neither raised nor depressed

  1. macule
  2. papule
  3. nodule
  4. scale

Ans (1)

38. Nikolosky sign is positive in

  1. Hailey Hailey disease
  2. epidermolysis bullosa acquista
  3. pemphigus vulgaris
  4. dermatitis herpetiformis
  5. staphylococcal scalded skin syndrome

Ans (1,3,5)

39. The ratio of melanin to the epidermis

  1. 1:28
  2. 1:36
  3. 2:36
  4. 2:28

Ans (2)

40. Tzanck smear is negative in

  1. Hailey Hailey disease
  2. pemphigus
  3. bullous pemphigoid
  4. herpes

Ans (3)

41. Buttonhole sign is seen in

  1. tuberous sclerosis
  2. neurofibromatosis
  3. psoriasis
  4. lichen planus

Ans (2)

42. The color of the skin depends on

  1. amount of melanin present in the melanocyte
  2. size and number of melanocytes
  3. the degree of transfer of melanin into keratocytes
  4. all the others are right

Ans (4)

43. A child presents with the following skin lesion on the chin. The diagnosis would be

  1. bullous pemphigoid
  2. nonbullous impetigo
  3. pemphigus
  4. erythema multiforme

Ans (2)

44. A 70-year-old man with a vesicular rash on the lower limb after a course of steroids Tzanck smear shows multinucleate giant cells. The diagnosis is

  1. varicella zoster infection
  2. vaccinia
  3. molluscum
  4. mycobacterium tuberculosis

Ans (1)

45. Light touch mechanoreceptors are

  1. meissner’s corpuscles
  2. langerhans cells
  3. merkel’s cells
  4. pacinian corpuscles

Ans (3)

46. A lady presents with bilateral buccal reticulate white streaks. Pain increases on spicy food intake. The patient gives no h/o tobacco but shows amalgam on the 3rd molar. the diagnosis would be

  1. lichen planus
  2. leukoplakia
  3. aphthous stomatitis
  4. candida

Ans (1)

47. Linear discolouration of skin is called

  1. ulcer
  2. excoriation
  3. erosion
  4. fissure

Ans (4)

48. In pemphigus, the antibodies are directed against the protein present in

  1. desmosomes
  2. langerhans cells
  3. melanocytes
  4. keratinocytes

Ans (1)

49. Asboe Hansen sign is negative in

  1. pemphigus vulgaris
  2. bullous pemphigoid
  3. Steven Johnson syndrome
  4. staphylococcal scalded skin syndrome

Ans (4)

50. False about hemidesmosomal plaques

  1. it connects the basal cell layer to the dermo-epidermal junction
  2. it contains the major protein BP230/BPAg1 and pectin
  3. Pectin is attached to the transmembrane component α4β6
  4. the intermediate keratin filament K5/K14 attach to the hemidesmosomes

Ans (3)

All attempts have been made to give the right answers in case anything wrong please inform us through our comments section also refer standard textbooks

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